Best C3 Fitness Science Elite Apps

206+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated July 2026

Finding the right c3 fitness science elite app can be overwhelming with so many options. We've analyzed 206+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for C3 Fitness Science Elite

Camp Gladiator#2

Camp Gladiator by Camp Gladiator Inc.

Outdoor Group Fitness
Strong Contender
💪 Health & Fitness
4.9😞(12K ratings)
FreeAdsIn-App Purchases
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Participate in award-winning outdoor group fitness classes led by certified personal trainers. Designed for all fitness levels, this app offers fun, challenging workouts to help you achieve your goals with motivation and accountability. New classes start every 5 minutes, ensuring a convenient option for everyone.

What We Love

  • 💪 Great workouts
  • 🤝 Awesome community
  • 🤩 Fun and challenging
  • 🏆 Effective for fitness goals

Room to Improve

  • 🐛 Buggy and unreliable app
  • 🤬 Difficult to cancel membership
  • 📍 Inaccurate location information
Keelo - Strength HIIT Workouts#3

Keelo - Strength HIIT Workouts by Throwdown Labs, Inc

Functional Fitness Training
Worth Considering
💪 Health & Fitness
4.8😊(5.9K ratings)
FreeIn-App Purchases
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Keelo - Strength HIIT Workouts screenshot 5
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This app offers high-intensity functional fitness training combining strength and conditioning. It uses an AI algorithm to personalize your workouts, track progress, and provide instructional videos. Workouts can be done anywhere, with or without equipment.

What We Love

  • 🚀 Efficient workouts
  • 👍 Customizable to equipment
  • 👍 Variety of exercises
  • 👍 Motivating and challenging

Room to Improve

  • 🐛 Buggy and glitchy
  • 🔍 Lack of customer support
  • 💰 Expensive subscription

More C3 Fitness Science Elite apps to explore

4
Built With Science+
Built With Science+
Built With Science+
Science-Backed Fitness
Free

This intelligent fitness companion offers personalized workout plans and nutrition advice based on scientific insights. It adapts to your progress with real-time feedback, providing guidance for continuous gains and informed health decisions.

Hyper-Personalized WorkoutsProgressive Overload GuidanceReal-Time Diet Adjustments
💪 Health & Fitness
(1.1K)
subscription
5
Orangetheory Fitness
Orangetheory Fitness
Orangetheory Fitness
The smartest one-hour workout
Free

This app offers a science-backed, coach-inspired group workout experience. It allows users to easily book classes, track workout statistics in real-time, and manage their fitness progress. Achieve life-changing results with this streamlined fitness companion.

Book and cancel classesSearch and manage favorite studiosTrack workout stats in real time
💪 Health & Fitness
(487K)
free
6
MOXI3
MOXI3
MOXI3
by Bourne Nation LLC
Free

Experience a premier wellness hub offering indoor cycling, strength training, and high-intensity group fitness. Access state-of-the-art recovery services like cryotherapy and infrared saunas. Achieve full-body training and revitalization with elite instructors.

Indoor cycling classesStrength trainingHigh-intensity group fitness
💪 Health & Fitness
(877)
ad-supported
7
FitGrid: Fitness Class App
FitGrid: Fitness Class App
FitGrid: Fitness Class App
Stream Yoga Pilates HIIT Spin
Free

Discover and stream virtual or in-studio fitness classes with friends. This app uses AI to recommend workouts and allows you to connect with instructors and classmates. Track your progress, set goals, and earn rewards for attending classes.

AI-powered class recommendationsStream virtual and in-studio classesConnect with friends and instructors
💪 Health & Fitness
(118)
free
8
barre3: Studio Fitness Class
barre3: Studio Fitness Class
barre3: Studio Fitness Class
by B3 Studios LLC
Free

Book local strength and low-impact fitness classes designed for all levels. Experience energizing workouts that build strength, stability, and confidence. Features include studio booking, schedule management, and childcare reservations.

Book local fitness classesManage workout schedulePurchase memberships and packages
💪 Health & Fitness
(7.4K)
subscription
9
Pocket Prep Fitness 2026
Pocket Prep Fitness 2026
Pocket Prep Fitness 2026
Pass NASM, CSCS, ACE, ACSM CPT
Free

Prepare for fitness and exercise science certification exams with thousands of practice questions and mock exams. Reinforce key concepts and build confidence for exam day with expert-authored content and detailed explanations.

Thousands of practice questionsExpert-authored contentDetailed explanations
📚 Education
(3.9K)
freemium
10
X3 Tracker
X3 Tracker
X3 Tracker
Official X3 Workout Tracker
Free

This is the official free workout tracking tool designed for the Jaquish Biomedical X3® exercise device. It helps users log and monitor their progress while using the specialized equipment.

Official workout trackingCompatible with X3 deviceFree to use
💪 Health & Fitness
(23)
free
11
FitGroup USA - Fitness Classes
FitGroup USA - Fitness Classes
FitGroup USA - Fitness Classes
Instruct Fitness Classes
Free

This app connects fitness instructors with local class opportunities. Discover classes matching your expertise, receive real-time notifications for new openings, and track your instructional performance. Manage your profile and find ways to inspire and earn.

Discover fitness classes nearbyReal-time notifications for new classesDetailed class information
💪 Health & Fitness
(482)
free
12
Lumin Fitness
Lumin Fitness
Lumin Fitness
Smart Fitness Studio
Free

Experience a personalized group and individual training environment powered by AI and motion tracking. Select your preferred in-ear trainer and music to enhance your workout. Track your progress in key fitness areas and earn rewards.

AI-powered immersive workoutsPersonalized in-ear trainersCustomizable workout music
💪 Health & Fitness
(14)
free with in-app purchases
13
Dōse
Dōse
Dōse
More Muscle. More Life.
Free

This app provides evidence-based fitness guidance for fat loss, muscle gain, and sustainable body composition goals. It offers video demonstrations for exercises, a macro calculator, educational mini-lectures, and personalized coaching tips. Engage with a community and track progress with Apple Health integration.

Evidence-based fitness guidanceVideo exercise demonstrationsMacro calculator and guidelines
💪 Health & Fitness
(303)
free with in-app purchases
14
PLT4M
PLT4M
PLT4M
by Platform Athletics, LLC
Free

This app provides secondary school physical education programs and athletic departments with digital resources. It offers engaging video content and diverse programs designed to foster a lifelong passion for activity and exercise in students and athletes.

Hundreds of hours of video content30+ unique programsCurriculum from certified instructors
💪 Health & Fitness
(132)
free
15
C3 Fitness Lubbock
C3 Fitness Lubbock
C3 Fitness Lubbock
by C3 Fitness LLC
Free

Connect with a fitness community and certified coaches. Book classes, reserve treadmills, and track your progress towards new goals. Manage your membership and join waitlists for popular sessions.

Personalized home screen with class count and workout dataClass schedule and bookingTreadmill reservation
💪 Health & Fitness
(28)
free
16
Traverse Fitness
Traverse Fitness
Traverse Fitness
Denver Fitness Elevated
Free

This app is your gateway to a Denver-based fitness studio offering group HIIT and Altitude Studio training. Book classes, manage your account, and discover premium recovery amenities and social events.

Book classesView class schedulesManage account
💪 Health & Fitness
(250)
ad-supported
17
HIGH Fitness Instructor
HIGH Fitness Instructor
HIGH Fitness Instructor
by HIGH Fitness LP
Free

This app is designed for fitness instructors to learn choreography, access format libraries, and manage class playlists. It provides tools to play music and run successful classes.

Learn choreographyBrowse format librariesCreate and share playlists
💪 Health & Fitness
(1.4K)
free
18
X4 FIT
X4 FIT
X4 FIT
The Perfect Fitness Formula!
Free

This app facilitates booking and managing fitness classes at a boutique gym. It offers efficient, full-body functional workouts with on-screen demos and varied routines. Members can easily register, book classes, and purchase memberships or retail items.

Coach-led group fitness classes50-minute full-body workoutsOn-screen exercise demos
💪 Health & Fitness
(211)
free with in-app purchases
19
AI Fitness Trainer: Adapt
AI Fitness Trainer: Adapt
AI Fitness Trainer: Adapt
Gym Workout Planner & Tracker
Free

This app acts as your personal AI fitness trainer and nutrition companion. It creates customized workout plans based on your goals, equipment, and experience, and helps you track your food intake with evidence-based advice.

AI-generated custom workout plansPersonalized workouts based on goals and equipmentIntuitive lift tracking
💪 Health & Fitness
(327)
free with in-app purchases
20
X3 Sports Member App
X3 Sports Member App
X3 Sports Member App
Bring Out the Warrior Within
Free

Manage your X3 Sports membership, view class schedules, and reserve your spot. Redeem rewards, send free passes, and track workout stats. Participate in fitness challenges and sync data with HealthKit for a comprehensive fitness experience.

Account and class schedule accessClass reservationReward redemption
💪 Health & Fitness
(283)
free